from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField,TextAreaField,BooleanField,SelectField
from wtforms.validators import Required,Length,Email,Regexp
from ..models import Role


class NameForm(FlaskForm):
    name = StringField('What is your name?', validators=[Required()])
    submit = SubmitField('Submit')

#用户使用的资料编辑表单
class EditProfileForm(FlaskForm):
    name = StringField('真实姓名', validators=[Length(0, 64)])
    location = StringField('地区', validators=[Length(0, 64)])
    about_me = TextAreaField('简介')
    submit = SubmitField('提交')

#管理员级别的资料编辑表单
class EditProfileAdminForm(FlaskForm):
    email = StringField('邮箱', validators=[Required(), Length(1, 64),Email()])
    username = StringField('昵称', validators=[Required(), Length(1, 64), Regexp('^[A-Za-z][A-Za-z0-9_.]*$', 0,
                                               'Usernames must have only letters, '
                                               'numbers, dots or underscores')])
    confirmed = BooleanField('是否确认')
    role = SelectField('权限角色', coerce=int)
    name = StringField('真实姓名', validators=[Length(0, 64)])
    location = StringField('地区', validators=[Length(0, 64)])
    about_me = TextAreaField('简介')
    submit = SubmitField('提交')

    def __init__(self, user, *args, **kwargs):
        super(EditProfileAdminForm, self).__init__(*args, **kwargs)
        self.role.choices = [(role.id, role.name)
        for role in Role.query.order_by(Role.name).all()]
        self.user = user

    def validate_email(self, field):
        if field.data != self.user.email and User.query.filter_by(email=field.data).first():
            raise ValidationError('Email already registered.')

    def validate_username(self, field):
        if field.data != self.user.username and User.query.filter_by(username=field.data).first():
            raise ValidationError('Username already in use.')